package com.atguigu.springcloud.controller;

import com.atguigu.springcloud.entities.CommonResult;
import com.atguigu.springcloud.entities.Payment;
import com.atguigu.springcloud.service.PaymentService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.cloud.client.ServiceInstance;
import org.springframework.cloud.client.discovery.DiscoveryClient;
import org.springframework.web.bind.annotation.*;

import javax.annotation.Resource;
import java.sql.Time;
import java.util.List;
import java.util.concurrent.TimeUnit;

/*
* @RestController  //controller层的注解
* @Slf4j  //打印日志
 * */
@RestController
@Slf4j
public class PaymentController {

    /*
    * 暴露自己的服务信息到注册中心
    * */
    @Resource
    private DiscoveryClient discoveryClient;

    @Resource
    private PaymentService paymentService;
    /*
    * 这个之对应application.yml里面的server: port: 8001
    * */
    @Value("${server.port}")
    private String serverPort;

    @PostMapping(value = "/payment/create")
    public CommonResult create(@RequestBody Payment payment){
        int result=paymentService.create(payment);
        log.info("*****插入结果："+result);
        if (result>0){
            return new CommonResult(200,"插入数据库成功,serverPort:  "+serverPort,result);
        }else {
            return new CommonResult(444,"插入数据库失败",null);
        }
    }
    @GetMapping(value = "/payment/get/{id}")
    public CommonResult getPaymentById(@PathVariable("id") Long id){
        Payment payment=paymentService.getPaymentById(id);
        log.info("*****查询结果："+payment+"nihao");
        if (payment != null){
            return new CommonResult(200,"查询成功,serverPort:  "+serverPort,payment);
        }else {
            return new CommonResult(444,"没有相应的记录，查询id："+id,null);
        }
    }

    @GetMapping(value = "/payment/discovery")
    public Object discovery(){
       List<String> services= discoveryClient.getServices();
        for (String element :
                services) {
            log.info("----------element: "+element);
        }
        /*
        * 作用：暴露服务展示到spring cloud 微服务的前端页面展示，名称为 ：CLOUD-PAYMENT-SERVICE。
        * */
        List<ServiceInstance> instances =discoveryClient.getInstances("CLOUD-PAYMENT-SERVICE");
        for (ServiceInstance instance :
                instances) {
            log.info("Instance 的数据："+instance.getServiceId() + "\t" + instance.getHost() + "\t" + instance.getPort() + "\t" + instance.getUri());
        }
        return this.discoveryClient;
    }
    /**
     * 轮询策略算法，手动编写
     * */
    @GetMapping(value = "/payment/lb")
    public String getPaymentLB(){
        return serverPort;
    }

    @GetMapping(value = "/payment/feign/timeout")
public String paymentFeignTimeout(){
        try{
            TimeUnit.SECONDS.sleep(3);
        }catch (InterruptedException e){
            e.printStackTrace();
        }
        return serverPort;
}
}
